Product Specifications

1. Battery: Lithium 3.7V/400mAh 
2. Working time: 3-4 hours
3. Standby time: 500 hours
4. Charging time: 3 hours
5. Speaker power: 3W
6. Speaker impedance: 4 ohm
7. Speaker size: 40 mm
8. Bluetooth frequency: 2402MHz-2480MHz
9. Transmit range: 10 meters
10. Chip: CSR4.0
12. 1pc USB charging cable

13.  Best Waterproof Bluetooth Speaker

Product Features

1.)   Portable Bluetooth speaker works with most Bluetooth enabled devices

2.)   Splashproof (IPX4)

3.)   Built in microphone for hands-free phone calls

4.)   Volume +/- control

5.)   Previous track/next track control

6.)   Built-in 400mAh lithium battery

7.)   Rubber finishing

8.)   Best Waterproof Bluetooth Speaker

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Packaging  (crystal box)

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